From: Neil Armstrong <narmstrong@baylibre.com>
To: Anand Moon <linux.amoon@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
Jon Hunter <jonathanh@nvidia.com>
Subject: Re: [PATCH] regulator: pwm-regulator: Make use of the helper function dev_err_probe()
Date: Mon, 20 Sep 2021 10:26:30 +0200 [thread overview]
Message-ID: <7dcee097-9119-1987-9bb5-777d541cc9f7@baylibre.com> (raw)
In-Reply-To: <20210919211129.4364-1-linux.amoon@gmail.com>
On 19/09/2021 23:11, Anand Moon wrote:
> devm_regulator_register can return -EPROBE_DEFER if the
> regulator is not ready yet. Use dev_err_probe() for
> pwm regulator resources to indicate the deferral reason
> when waiting for the resource to come up.
>
> Fixes: 0cd71b9a43ad ("regulator: pwm: Don't warn on probe deferral")
>
> Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> Signed-off-by: Anand Moon <linux.amoon@gmail.com>
> ---
> drivers/regulator/pwm-regulator.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c
> index 7629476d94ae..451e57a739f8 100644
> --- a/drivers/regulator/pwm-regulator.c
> +++ b/drivers/regulator/pwm-regulator.c
> @@ -382,9 +382,9 @@ static int pwm_regulator_probe(struct platform_device *pdev)
> &drvdata->desc, &config);
> if (IS_ERR(regulator)) {
> ret = PTR_ERR(regulator);
> - dev_err(&pdev->dev, "Failed to register regulator %s: %d\n",
> - drvdata->desc.name, ret);
> - return ret;
> + return dev_err_probe(&pdev->dev, ret,
> + "Failed to register regulator %s: %d\n",
> + drvdata->desc.name, ret);
No need to keep ret and print it since it will be printed by dev_err_probe, pass directly PTR_ERR(regulator) and drop the ": %d" from the error string.
Neil
> }
>
> return 0;
>
WARNING: multiple messages have this Message-ID (diff)
From: Neil Armstrong <narmstrong@baylibre.com>
To: Anand Moon <linux.amoon@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
Jon Hunter <jonathanh@nvidia.com>
Subject: Re: [PATCH] regulator: pwm-regulator: Make use of the helper function dev_err_probe()
Date: Mon, 20 Sep 2021 10:26:30 +0200 [thread overview]
Message-ID: <7dcee097-9119-1987-9bb5-777d541cc9f7@baylibre.com> (raw)
In-Reply-To: <20210919211129.4364-1-linux.amoon@gmail.com>
On 19/09/2021 23:11, Anand Moon wrote:
> devm_regulator_register can return -EPROBE_DEFER if the
> regulator is not ready yet. Use dev_err_probe() for
> pwm regulator resources to indicate the deferral reason
> when waiting for the resource to come up.
>
> Fixes: 0cd71b9a43ad ("regulator: pwm: Don't warn on probe deferral")
>
> Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> Signed-off-by: Anand Moon <linux.amoon@gmail.com>
> ---
> drivers/regulator/pwm-regulator.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c
> index 7629476d94ae..451e57a739f8 100644
> --- a/drivers/regulator/pwm-regulator.c
> +++ b/drivers/regulator/pwm-regulator.c
> @@ -382,9 +382,9 @@ static int pwm_regulator_probe(struct platform_device *pdev)
> &drvdata->desc, &config);
> if (IS_ERR(regulator)) {
> ret = PTR_ERR(regulator);
> - dev_err(&pdev->dev, "Failed to register regulator %s: %d\n",
> - drvdata->desc.name, ret);
> - return ret;
> + return dev_err_probe(&pdev->dev, ret,
> + "Failed to register regulator %s: %d\n",
> + drvdata->desc.name, ret);
No need to keep ret and print it since it will be printed by dev_err_probe, pass directly PTR_ERR(regulator) and drop the ": %d" from the error string.
Neil
> }
>
> return 0;
>
_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic
WARNING: multiple messages have this Message-ID (diff)
From: Neil Armstrong <narmstrong@baylibre.com>
To: Anand Moon <linux.amoon@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
Jon Hunter <jonathanh@nvidia.com>
Subject: Re: [PATCH] regulator: pwm-regulator: Make use of the helper function dev_err_probe()
Date: Mon, 20 Sep 2021 10:26:30 +0200 [thread overview]
Message-ID: <7dcee097-9119-1987-9bb5-777d541cc9f7@baylibre.com> (raw)
In-Reply-To: <20210919211129.4364-1-linux.amoon@gmail.com>
On 19/09/2021 23:11, Anand Moon wrote:
> devm_regulator_register can return -EPROBE_DEFER if the
> regulator is not ready yet. Use dev_err_probe() for
> pwm regulator resources to indicate the deferral reason
> when waiting for the resource to come up.
>
> Fixes: 0cd71b9a43ad ("regulator: pwm: Don't warn on probe deferral")
>
> Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> Signed-off-by: Anand Moon <linux.amoon@gmail.com>
> ---
> drivers/regulator/pwm-regulator.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c
> index 7629476d94ae..451e57a739f8 100644
> --- a/drivers/regulator/pwm-regulator.c
> +++ b/drivers/regulator/pwm-regulator.c
> @@ -382,9 +382,9 @@ static int pwm_regulator_probe(struct platform_device *pdev)
> &drvdata->desc, &config);
> if (IS_ERR(regulator)) {
> ret = PTR_ERR(regulator);
> - dev_err(&pdev->dev, "Failed to register regulator %s: %d\n",
> - drvdata->desc.name, ret);
> - return ret;
> + return dev_err_probe(&pdev->dev, ret,
> + "Failed to register regulator %s: %d\n",
> + drvdata->desc.name, ret);
No need to keep ret and print it since it will be printed by dev_err_probe, pass directly PTR_ERR(regulator) and drop the ": %d" from the error string.
Neil
> }
>
> return 0;
>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-09-20 8:26 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-19 21:11 [PATCH] regulator: pwm-regulator: Make use of the helper function dev_err_probe() Anand Moon
2021-09-19 21:11 ` Anand Moon
2021-09-19 21:11 ` Anand Moon
2021-09-20 8:26 ` Neil Armstrong [this message]
2021-09-20 8:26 ` Neil Armstrong
2021-09-20 8:26 ` Neil Armstrong
2021-09-20 18:05 ` Anand Moon
2021-09-20 18:05 ` Anand Moon
2021-09-20 18:05 ` Anand Moon
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